JAVA Exceptions Which keyword is used to explicitly throw an exception? throwing throw try catch throwing throw try catch ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Predict the output:public class Test{ public static void main(String args[]){ try{ String arr[] = new String[10]; arr = null; arr[0] = "one"; System.out.print(arr[0]); }catch(Exception ex){ System.out.print("exception"); }catch(NullPointerException nex){ System.out.print("null pointer exception"); } }} "one" is printed. "exception" is printed. "null pointer exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "one" is printed. "exception" is printed. "null pointer exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What happen in case of multiple catch blocks? Either super or subclass can be caught first. None of these The superclass exception cannot caught first. The superclass exception must be caught first. Either super or subclass can be caught first. None of these The superclass exception cannot caught first. The superclass exception must be caught first. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result of executing the following code?public class Test{ public void divide(int a, int b){ try{ int c = a / b; }catch(Exception e){ System.out.print("Exception "); }finally{ System.out.println("Finally"); } public static void main(String args[]){ Test t = new Test(); t.divide(0,3); }} Compile with error Prints out: Exception Finally None of these Prints out: Exception Prints out: Finally Compile with error Prints out: Exception Finally None of these Prints out: Exception Prints out: Finally ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions In which of the following package Exception class exist? java.util java.io java.file java.lang java.net java.util java.io java.file java.lang java.net ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result after the class Test execution?class A{ public void doA(){ B b = new B(); b.dobB(); System.out.print("doA"); }}class B{ public void dobB(){ C c = new C(); c.doC(); System.out.print("doB"); }}class C{ public void doC(){ if(true) throw new NullPointerException(); System.out.print("doC"); }}public class Test{ public static void main(String args[]){ try{ A a = new A(); a.doA(); }catch(Exception ex){ System.out.print("error"); } }} "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed "doAdoBdoC" is printed nothing is printed "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed "doAdoBdoC" is printed nothing is printed ANSWER DOWNLOAD EXAMIANS APP